19711986

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{2593}}^1$

素因数の和:2786

約数の個数: 32

約数和(自身を含む): 45322368

約数和(自身を除く): 25610382

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 181, 362, 543, 1086, 1267, 2534, 2593, 3801, 5186, 7602, 7779, 15558, 18151, 36302, 54453, 108906, 469333, 938666, 1407999, 2815998, 3285331, 6570662, 9855993, 19711986]

約数ペア:

[(1, 19711986), (2, 9855993), (3, 6570662), (6, 3285331), (7, 2815998), (14, 1407999), (21, 938666), (42, 469333), (181, 108906), (362, 54453), (543, 36302), (1086, 18151), (1267, 15558), (2534, 7779), (2593, 7602), (3801, 5186)]